if (document.images) {

Normal = new Array();
Maus = new Array();

Normal[0] = new Image();Normal[0].src = "img/buttons/igel_up.gif";
Maus[0] = new Image();Maus[0].src = "img/buttons/igel_down.gif";
Normal[1] = new Image();Normal[1].src = "img/buttons/impress_up.gif";
Maus[1] = new Image();Maus[1].src = "img/buttons/impress_down.gif";
Normal[2] = new Image();Normal[2].src = "img/buttons/sprech_up.gif";
Maus[2] = new Image();Maus[2].src = "img/buttons/sprech_down.gif";
Normal[3] = new Image();Normal[3].src = "img/buttons/team_up.gif";
Maus[3] = new Image();Maus[3].src = "img/buttons/team_down.gif";
Normal[4] = new Image();Normal[4].src = "img/buttons/derma_up.gif";
Maus[4] = new Image();Maus[4].src = "img/buttons/derma_down.gif";
Normal[5] = new Image();Normal[5].src = "img/buttons/allerg_up.gif";
Maus[5] = new Image();Maus[5].src = "img/buttons/allerg_down.gif";
Normal[6] = new Image();Normal[6].src = "img/buttons/kosme_up.gif";
Maus[6] = new Image();Maus[6].src = "img/buttons/kosme_down.gif";
Normal[7] = new Image();Normal[7].src = "img/buttons/ambulante_up.gif";
Maus[7] = new Image();Maus[7].src = "img/buttons/ambulante_down.gif";
Normal[8] = new Image();Normal[8].src = "img/buttons/geschlechts_up.gif";
Maus[8] = new Image();Maus[8].src = "img/buttons/geschlechts_down.gif";
Normal[9] = new Image();Normal[9].src = "img/buttons/prokto_up.gif";
Maus[9] = new Image();Maus[9].src = "img/buttons/prokto_down.gif";
Normal[10] = new Image();Normal[10].src = "img/buttons/labor_up.gif";
Maus[10] = new Image();Maus[10].src = "img/buttons/labor_down.gif";
}

var erstesBild = 0;
var anzahlBilder  = 11;
var ImgNr = null;

function Change(Img,an) 
{	if (document.images)
	{	if (ImgNr != Img)
		{	if (an ==1)
				document.images[Img + erstesBild].src = Maus[Img].src;
			else
				document.images[Img + erstesBild].src = Normal[Img].src;
		}
	}
}

function ImgAktiv(Img) 
{	if (document.images) 
	{	for (var i = 0 ; i < anzahlBilder; i++) 
		{	if (i == Img) 
				document.images[i + erstesBild].src = Maus[i].src;
			else
				document.images[i + erstesBild].src = Normal[i].src;
		}
	ImgNr = Img;
	}
}


if (document.images) {

var backImage = new Array();

backImage[0] = "../img/balken/home.jpg";
backImage[1] = "../img/balken/impressum.jpg";
backImage[2] = "../img/balken/sprech.jpg";
backImage[3] = "../img/balken/team.jpg";
backImage[4] = "../img/balken/derma.jpg";
backImage[5] = "../img/balken/allerg.jpg";
backImage[6] = "../img/balken/kosme.jpg";
backImage[7] = "../img/balken/geschlechts.jpg";
backImage[8] = "../img/balken/links.jpg";
backImage[9] = "../img/balken/webmaster.jpg";
backImage[10] = "../img/balken/prokto.jpg";
backImage[11] = "../img/balken/ambulante.jpg";
backImage[12] = "../img/balken/labor.jpg";
}

function changeBGImage(whichImage){
	if (document.body){
	top.leftframe.document.body.background = backImage[whichImage];
	}
}